<!DOCTYPE html>
<html>
	<head>
		<meta charset="UTF-8">
		<title>数组练习1</title>
	</head>
	<body>
		<p id="demo">单击按钮将数组反转排序。</p>
		<button onclick="myFunction()">点我</button>
		<script>
			var fruits=["Banana","Orange","Apple","Mango"];
			
			var x=document.getElementById("demo");
			x.innerHTML=fruits;
			fruits.reverse();
			document.writeln(fruits.join()); 
		</script>
	</body>
</html>
